CN202241540U - Heterogeneous solid manufacturing equipment - Google Patents
Heterogeneous solid manufacturing equipment Download PDFInfo
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- CN202241540U CN202241540U CN2011203416650U CN201120341665U CN202241540U CN 202241540 U CN202241540 U CN 202241540U CN 2011203416650 U CN2011203416650 U CN 2011203416650U CN 201120341665 U CN201120341665 U CN 201120341665U CN 202241540 U CN202241540 U CN 202241540U
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Abstract
The utility model provides heterogeneous solid manufacturing equipment, which is characterized by comprising a three-dimensional movement control platform, a multiple-component material mixing, extruding and forming head, a gas supply and pressure control device and a control system. The multiple-component material mixing, extruding and forming head consists of material cavity covers, material supply cavities, a premixing material storage cavity, a static mixer, two-position two-way electromagnetic valves, a final material storage cavity, connecting guide pipes, an upper gas guide pipe, a lower gas guide pipe and a nozzle, the static mixer consists of a static mixing cavity and small solid particles filled in the static mixing cavity, and the multi-component material mixing, extruding and forming head is mounted on a slider of a Z-direction precision linear module; the gas supply and pressure control device mainly comprises a gas pump, a pressure reducing valve and a two-position three-way electromagnetic valve; and the control system consists of a control device, a computer and material information adding software, and the control device is connected with the computer by an expansion slot.
Description
Technical field
The utility model belongs to advanced manufacturing technology, is specially a kind of manufacturing equipment of heterogeneous body entity.
Background technology
Along with science and technology development, the performance of all kinds of parts to be had higher requirement from every side, the part of single usually (homogeneous) material can't satisfy the service condition of all kinds of intimate harshnesses.Japanese Science And Technology Agency aviation aerospace research institute has proposed FGM (Functionally Graded Materials in 1987; FGMs) notion; Be the component or the structure continuous transition of multiple material, can possess the premium properties of several kinds of different materials simultaneously.And traditional material preparation method can only form Gradient distribution direction entity single, simple in structure.The appearance of quick shaping (Rapid Prototyping) technology; Realized making on the manufacturing science theoretical breakthrough; Be different from prior manufacturing method at all, be shaped such as removing, receive to compel to be shaped, and be based on discrete/accumulation principle; Three-dimensional CAD model is resolved into discontinuous synusia along the certain orientation certain thickness is discrete, obtain a series of synusia data.According to various technologies technological requirement separately,, generate the movement locus that control is shaped through reasonable technology planning.In banking process, forming tool processes synusia under the control of movement locus, and with newly-generated synusia with generate part and pile up, be connected, synusia generates with the accumulation connection procedure and moves in circles, and machines until whole member.This technology is expected to realize the manufacturing of heterogeneous body (comprising the gradual change and the sudden change of different materials component) entity.
In order to produce moulding material or structure heterogeneous body entity with RP technique along the certain orientation graded, " laser is selected sintering manufacturing function functionally gradient material (FGM) " (L.Jepson, J.J.Beaman that people such as Jepson write; D.L.Bourell; And K.L.Wood, ' SLS Processing of Functionally Gradient Materials, ' pp.67-79; In the Proceedings of the 8th Annual SFF Symposium; Edited by D.L.Bourell, The University of Texas, Austin; 1997.) introduced a kind of many material selectivity sintering technology (M2SLS), there is the discontinuous problem of gradient transition in this technology; " the shape sedimentation is made the metal function functionally gradient material (FGM) " (J.Fessler of people such as Fessler; A.Nickel; G.Link; And F.Prinz, ' Functionally Gradient Metallic Prototypes through Shape Deposition Manufacturing, ' pp.521-8in the Proceedings of the 8
ThAnnual SFF Symposium; Edited by D.L.Bourell.The University of Texas, Austin, 1997.) the shape deposition method for preparing (Shape Deposition Manufacturing) introduced of file; " scioptics are made heterogeneous body speed governing the opinion " (S.Morvan that writes with people such as Morvan; G.M.Fadel, J.Love, and D.Keicher; ' Manufacturing of Heterogeneous Flywheel on a LENS Apparatus; ' pp.553-60in the Proceedings of the 12th Annual SFF Symposium Edited by D.L.Bourell.The University of Texas, Austin, 2001.) introduced technology such as engineered net shaping (Laser Engineered Net Shaping).Though this technology can realize the continuous transition of a kind of material to another kind of material, precision is lower, and there is a big difference for the actual requirement of distance.
Application number is manufacturing approach and the device that 200810053855.5 Chinese patent has been introduced a kind of anisotropic functional member.The method that this method adopts the little spray accumulation of printer to combine with the laser scanning sintering; At first layering obtains the synusia data to the anisotropic functional member three-dimensional CAD model, utilizes material component isolation technics and digital halftone technology, obtains the binary image of different materials component in the synusia; Discern and read this binary image information through computer control system; Marking ink with one or more component materials of binary image information Control printing head ejection that read carries out the synchronous scanning sintering with laser head to the ink that sprays simultaneously, and the ink reaction is solidified; Successively carry out, finally produce anisotropic functional member.Though can realize the manufacturing of anisotropic functional member with this method and apparatus; But because " ink " that this method adopted is to prepare in advance and be divided in the different printer ink cartridges; When printing with need based jet mode " printing " in appointed positions, therefore the variation of " ink " can demonstrate certain continuity on macroscopic view, but sees from microcosmic; Various " inks " still are in discrete type and distribute, and still have tangible micro-interface between each component material.In addition, with regard to prior art, realize to anisotropic functional member modeling and layering, make and all contain this technology of material information maturation not enough, implementation procedure more complicated in model and the synusia data.
" making SOFC " (Jonathan Powell and Stuart Blackburn that people such as Jonathan Powell write with the compacting of multi-layer ceramics microtubule co-extrusion; ' Co-extrusion of Multilayered Ceramic Micro-Tubes for Use as Solid Oxide Fuel Cells; ' pp.2859-2870in the Journal of the European Ceramic Society 30 (2010) .) introduced with various ingredients material co-extrusion compacting tubing shape SOFC; By this method dielectric substrate is made into the sandwich construction that material changes in gradient, has reduced the problem that material internal mechanical property and thermodynamic parameter do not match and bring.This method has realized the manufacturing of heterogeneous body entity having solved the anode layer of fuel cell and the problem of dielectric layer associativity difference effectively with the method for extrusion molding to a certain extent.Though this technology can realize the graded of material, can only the unconspicuous structure of manufactured materials graded, and the number of plies of the graded that is shaped is restricted, and flexibility is very poor, and precision is low.
The utility model content
To the deficiency of prior art, the technical problem that the utility model quasi-solution is determined is that a kind of manufacturing equipment of heterogeneous body entity is provided.This manufacturing equipment need not to contain material information in the model through the heterogeneous body solid modelling is made, but realizes the interpolation of material information in the entity through software mode, and the material information addition manner is flexible; The heterogeneous body entity of this device fabrication, on the macroscopic view, material is tangible graded; On the microcosmic, reduce the micro-interface between each component material, can produce high-precision heterogeneous body entity.
The technical scheme that the utility model solves said manufacturing equipment technical problem is; Design a kind of manufacturing equipment of heterogeneous body entity, it is characterized in that this manufacturing equipment comprises three-dimensional motion control platform, multi-component material extrusion forming head, air feed and Pneumatic controller and control system; Described three-dimensional motion control platform comprise base plate, gantry support, shaping platform, X to transmission mechanism, X to the slide block of precision linear module, Y to transmission mechanism, Y to the slide block of precision linear module, Z to transmission mechanism and Z slide block to the precision linear module; Said gantry support vertically is installed on the base plate; The shaping platform is installed in Y on the slide block of precision linear module; X is fixed on the gantry support to transmission mechanism, and Z is fixed on X on the slide block of precision linear module to transmission mechanism, and Y directly is fixed on the base plate to transmission mechanism;
Said multi-component material extrusion forming head comprises material chamber lid, feed chamber, premixed storage cavity, motionless mixer, 2/2-way magnetic valve, whole material storage cavity, the connecting duct that is used to connect each element, the last gas conduit of carrying pressure-sustaining gas, following gas conduit and nozzle; Said static mixer comprises static mixing chamber and the inner solid granule of loading thereof; Said multi-component material extrusion forming head is installed in Z on the slide block of precision linear module;
Said air feed and Pneumatic controller mainly comprise air pump, pressure-reducing valve and two-bit triplet magnetic valve;
Described control system comprises that control device, computer and material information add software; Control device is connected with computer through the general extension groove.
Compared with prior art; The utility model manufacturing equipment mixes the method that combines based on the miniflow extruding of slurry with multi-component material in proportion in real time; Can require the manufacturing of the heterogeneous body entity of mixing in proportion in real time of realization material component and complicated shape according to the material component of filling profile in the shaping entity two dimension synusia; Technical process and manufacturing equipment are simple, and the material addition manner is flexible, and forming accuracy is high; And add backing material can be very easily in forming process for the shaping entity, problem such as well solved the inner and areal deformation of shaping entity or subside.
Description of drawings
Fig. 1 is the forming process schematic flow sheet of the suitable manufacturing approach of the manufacturing equipment of the utility model heterogeneous body entity;
Fig. 2 is the general structure sketch map of a kind of embodiment of manufacturing equipment of the utility model heterogeneous body entity;
Fig. 3 is the overall appearance sketch map of the multi-component material extrusion forming head of a kind of embodiment employing of the manufacturing equipment of the utility model heterogeneous body entity:
Fig. 4 is the partial structurtes sketch map of the multi-component material extrusion forming head of a kind of embodiment employing of the manufacturing equipment of the utility model heterogeneous body entity: wherein, Fig. 4 (a) is the cross-sectional view of the material chamber lid on feed chamber top; Fig. 4 (b) is a feed chamber accent structural representation;
Fig. 5 is the internal cross section structural representation of the multi-component material extrusion forming head of a kind of embodiment employing of the manufacturing equipment of the utility model heterogeneous body entity:
Fig. 6 is the partial structurtes sketch map of the multi-component material extrusion forming head of a kind of embodiment employing of the manufacturing equipment of the utility model heterogeneous body entity: wherein, Fig. 6 (a) is the cross section enlarged drawing of solid granule in the static mixing chamber; Fig. 6 (b) is the cross-sectional view of feed chamber inner carrier;
Fig. 7 is that the material information of a kind of embodiment of manufacturing equipment of the utility model heterogeneous body entity adds software program flow chart.
The specific embodiment
Below in conjunction with embodiment and its accompanying drawing the utility model is described further, embodiment is to be a kind of enforcement of carrying out under the prerequisite with the utility model technical scheme, provided detailed embodiment and process, but the application's claim is not subject to embodiment.
The manufacturing equipment of the said heterogeneous body entity of the utility model design (is called for short manufacturing equipment; Referring to Fig. 2,3,4,5 and 6), it is characterized in that this manufacturing equipment comprises three-dimensional motion control platform 1, multi-component material extrusion forming head 2, air feed and Pneumatic controller 3 and control system; Described three-dimensional motion control platform comprise base plate 11, gantry support 12, shaping platform 13, X to transmission mechanism 14, X to the slide block 15 of precision linear module, Y to transmission mechanism 16, Y to the slide block 17 of precision linear module, Z to transmission mechanism 18 and Z slide block 19 to the precision linear module; Said gantry support 12 vertically is installed on the base plate 11, and shaping platform 13 is installed in Y on the slide block 17 of precision linear module, and shaping platform 13 is moved along the Y direction; X is fixed on the gantry support 12 to transmission mechanism 14, and Z is fixed on X on the slide block 15 of precision linear module to transmission mechanism 18, and Y directly is fixed on the base plate 11 to transmission mechanism 16; Described X constitutes by servomotor and precision linear module to transmission mechanism 18 to transmission mechanism 16 and Z to transmission mechanism 14, Y; Described X is that employing line slideway and ball-screw be the structure of executive component to precision linear module and Z to the precision linear module to precision linear module, Y;
The multi-component material extrusion forming head 2 of the utility model design (is called for short forming head; Referring to Fig. 3) comprise and expect chamber lid 21, feed chamber 29, premixed storage cavity 217, static mixing chamber 216, solid granule 218 (referring to Fig. 6 (a)), 2/2-way magnetic valve (210,219,226,211,215 and 213), whole material storage cavity 214, the connecting duct (220,221,222,223,225 and 227) that is used to be connected each element, the last gas conduit 224 of carrying pressure-sustaining gas, following gas conduit 212 and nozzle 26; Wherein premixed storage cavity 217 is identical with static mixing chamber 216 structures; But function is different: premixed storage cavity 217 is used to store the different materials component slip that proportioning is good in proportion; Static mixing chamber 216 and its inner solid granule of loading 218 common formation static mixers (216 and 218); Solid granule 218 can play the effect of mixing, and helps to realize the even mixing of slip; The volume of said solid granule 218 is big more, and the slip mixed effect is not obvious more, and volume is more little, and the slip mixed effect is obvious more.Solid granule described in the utility model is metal or nonmetal oxide, comprises silica, aluminium oxide or cupric oxide etc., and small particle diameters is 0.5～2mm; Said static mixing is filled said solid granule in the chamber.Said material chamber lid 21 (referring to Fig. 4 (a)) top band pore 22 and material chamber lid fixture 23; Pistons 28 (referring to Fig. 6 (b)) are installed in the said feed chamber 29, and feed chamber 29 tops have fixture 24 (referring to Fig. 4 (b)) and work in coordination and realize the fixing of material chamber lid 21 with the fixture 23 on the material chamber lid 21.Said material chamber lid 21 is made up of elastomeric material, and embodiment is a white rubber.The bottom of material chamber lid 21 is threaded, and this screw thread can increase adhesion and the air-tightness between material chamber lid 21 and the feed chamber 29; Said piston 28 is made up of elastomeric material, and embodiment is a white rubber.
The further characteristic of the forming head 2 of the utility model design is; Said forming head 2 is that the poly (methyl methacrylate) plate of thickness, length and width with design is a matrix; Use the body laser inner carving lithography with feed chamber 29, premixed storage cavity 217, static mixing chamber 216, end expecting storage cavity 214, connect the connecting duct (220,221,222,223,225 and 227) of each element, upward carving the multi-component material extrusion shaping one head that on said lucite board substrate, is processed in the parts such as gas conduit 212 and following gas conduit 224; The last gas conduit 224 that can feed pressure-sustaining gas is arranged at said premixed storage cavity 217 tops; The following gas conduit 212 that feeds pressure-sustaining gas is arranged at the top of said eventually material storage cavity 214, through last gas conduit 224 and following gas conduit 212 respectively to premixed storage cavity 217 with expect that eventually slip provides the gas precompression in the storage cavity 214; Feed chamber 29 and premixed storage cavity 217 usefulness connecting ducts 220,221 link to each other respectively with 225; And with 2/2-way magnetic valve 226,219 and 210 respectively control connection conduits 220,221 and 225 break-make; Premixed storage cavity 217 links to each other with static mixing chamber 216 usefulness connecting ducts 222; And with the break-make of 2/2-way magnetic valve 211 control connection conduits 222, static mixing chamber 216 links to each other with material storage cavity 214 usefulness connecting ducts 227 eventually, and with the break-make of 2/2-way magnetic valve 215 control connection conduits 227; Eventually material storage cavity 214 links to each other with external nozzles 26 usefulness connecting ducts 223, and with the break-make of 2/2-way magnetic valve 213 control connection conduits 223.Said 2/2-way magnetic valve (210,219,226,211,215 and 213) all is embedded in the said poly (methyl methacrylate) plate; When needs are made the heterogeneous body entity with more kinds of different materials component slips, can realize (present embodiment is three of B, C and D) with the number that increases feed chamber 29, other structure is constant.
The utility model forming head 2 is owing to be transparent pmma material all, so the state variation that can see material in the forming process, in time finds the problem that produces in the forming process, has realized visual to heterogeneous body entity forming process.Forming head 2 is installed in Z on the slide block 19 of precision linear module, can move along X, Z direction; The batch mixes in proportion of the various different materials component slips of forming head 2 main completion and the extruding of slip.
Said air feed of the utility model and Pneumatic controller comprise air pump 32, pressure-reducing valve 31 and the two-bit triplet magnetic valve 33 that the connection gas conduit connects successively.
The said control of the utility model system comprises that control device 41 and computer 42 and material information add software; Control device 41 is connected with computer 42 through the general extension groove of computer 42; Material information adds software and is fitted in the computer 42.
The control centre that the said control device 41 of the utility model is an equipment, embodiment is the switch board that is made up of each discrete device; Computer 42 mainly is responsible for providing the concrete control algolithm of control system; The work such as processing of collection, various switching signal and the feedback signal of the setting of the management of control system, program relevant parameter, the demonstration of system mode, control system data, and accomplish the output of control signal by control device 41.
The described multi-component material extrusion of the utility model forming head 2 is installed in Z on the slide block 19 of precision linear module, can move along X, Z direction; Shaping platform 13 is installed in Y on the slide block 17 of precision linear module, can move along the Y direction; Cooperate with the motion of shaping platform 13 through multi-component material extrusion forming head 2, can accomplish the manufacturing of heterogeneous body entity smoothly.
Forming head 2 in the utility model can mix multiple different materials component slip in proportion in real time and obtains the required slip of entity forming; A kind of slip of different materials component wherein is housed respectively in feed chamber B, feed chamber C and the feed chamber D, is the entity forming slurry of supplying raw materials.Have pore 22 in the middle of the said material chamber lid 21, in the entity forming process, in feed chamber B, feed chamber C and feed chamber D, feed pressure-sustaining gas respectively through pore 23.Said pressure-sustaining gas applies constant gas precompression through piston 28 (referring to Fig. 6 (b)) to slip; Slip in the feed chamber (B, C and D) can be got in the premixed storage cavity 217 fast, thereby make the slip of various different materials components in premixed storage cavity 217, realize premixed.In the entity forming process,, realize control to slip feed amount in feed chamber B, feed chamber C and the feed chamber D through the switching time of control magnetic valve 210, magnetic valve 226 and magnetic valve 219; The slip that gets into premixed storage cavity 217 gets into the static mixing chamber 216 of filling solid granule 218 through the connecting duct 222 by magnetic valve 211 controls fast under the effect of the gas precompression that the constant gas that feeds through gas conduit 224 produces, realize the even mixing of various different materials component slips.Slip after mixing flows into material storage cavity 214 eventually via the connecting duct 227 of magnetic valve 215 controls at last, prepares to be shaped and uses.After entity forming begins,, and under the effect of the pressure-sustaining gas precompression that in gas conduit 212, feeds, realize the extrusion molding of entity through the switching time of control magnetic valve 213.
The heterogeneous body entity manufacturing approach (referring to Fig. 1) that the utility model equipment is suitable for is mixed the method that combines based on the extruding of slurry miniflow with multi-component material in real time in proportion, specifically adopts following steps:
(1) at first designs the physical model that does not contain any material information, according to the technological requirement of shaping entity, physical model is pressed the design thickness slicing delamination then, obtain the two-dimentional synusia information of each layer of entity by three-dimensional CAD software.
Do not contain any material component information in the said three-dimensional CAD physical model; The synusia data that obtain with its layering do not contain any material component information yet; Material information is in two-dimentional synusia forming process in the entity, adds along the gradient direction that designs appointment through specific software; Any material component of filling profile all is uniform in the said two-dimentional synusia; But the interior different material components of filling profiles of two-dimentional synusia can be different, finally make the interior material of two-dimentional synusia (comprise linear mode, nonlinear way or linearity and the non-linear mode that combines) in gradient and change.
(2) material information adds software according to filling the requirement of profile to material component in the two-dimentional synusia; Control multi-component material extrusion forming head is accomplished the batch mixes in proportion of different materials component slip, obtains meeting the slip of the material component of filling the profile requirement; Under the control of conventional motion control software, multi-component material extrusion forming head is accomplished extrusion molding of filling profile in the entity two dimension synusia along X axle and Y direction operation; Then; According to next bar filling profile in this two dimension synusia multi-component material extrusion forming head is controlled in the requirement of material component and mixed the slip of various different materials components in proportion; Obtain the slip of this filling profile material requested component; Batch mixes different materials component slip extrusion molding then in proportion so continuously is until the extrusion molding of accomplishing this two dimension synusia; The material component of filling profile in the two-dimentional synusia is changed along the direction that designs appointment in gradient continuously.It is liquid in closed container that said entity forming uses slip, and viscosity is lower, and good fluidity when this slip contacts with air, can solidify rapidly, and be a bit sticky.
(3) under the control of computer; Multi-component material extrusion forming head is moved along Z-direction; The move up height of an entity synusia adopts the extrusion molding of method completion entity second synusia the same with (2) step, makes first synusia and second synusia be bonded to an integral body simultaneously.
(4) repetition (2) and (3) one step process successively carry out according to the two-dimentional synusia information of said each layer of entity successively, and are bonded to an integral body successively, until making described heterogeneous body entity.
In order to realize that different materials component slip can prepare burden in proportion, the utility model has adopted the control element of 2/2-way magnetic valve (210,219 and 216) as the slip flow.This 2/2-way magnetic valve (210,219 and 216) is pulse control magnetic valve; Magnetic valve impulse response frequency should be complementary with control system pulse generation frequency, can draw the flow value of different materials component slip under the same gas precompression according to the difference of the viscosity of various different materials component slips.In the shaping manufacture process; Computer control system is sent pulse control signal and is given 2/2-way magnetic valve (210,219 and 216); 2/2-way magnetic valve (210,219 and 216) is opened when receiving high level; According to the flow of slip, calculate the time that a certain amount of slip flows into premixed storage cavity 217, accomplish the batching in proportion of slip through the switching time of software control 2/2-way electromagnetic valve switch (210,219 and 216).Feed the gas of constant pressure in the feed chamber 29, preparing burden in proportion for slip provides the gas precompression.Said gas is produced by air pump 32, and the control of process pressure-reducing valve 31 converts pressure-sustaining gas to.Gas precompression in the premixed storage cavity 217 makes slip in the premixed storage cavity 217 accelerate the speed through static mixer; Reduce the shaping lag time that incorporation time and this process cause; Gas precompression in the material storage cavity 214 is that the slip that mixes provides the gas precompression by nozzle 26 extrusion moldings eventually, and the gas that feeds in premixed storage cavity 217 and the whole material storage cavity 214 is by 33 controls of two-bit triplet magnetic valve.This magnetic valve 33 is a closed type two-bit triplet magnetic valve, when not switching on, is closed condition.Premixed storage cavity 217 communicates with the external world through the steam vent of three-way magnetic valve 33 with expecting storage cavity 214 eventually, and inner and outer air pressure is equated, slip can easier inflow premixed storage cavity 217 and whole material storage cavity 214.
In making heterogeneous body entity process, the utility model manufacturing equipment adopts said material information to add method that software adds material information (referring to Fig. 7) as follows:
(1) at first according to from inside to outside or the interpolation of ecto-entad order, read in first synusia the filling profile information and to layer variable assignments N=1;
(2) select the material information addition manner: linear mode, nonlinear way or linearity and the non-linear mode that combines; According to selected material information addition manner and from inside to outside or the interpolation of ecto-entad order; Confirm that various different materials component slips account for every volume fraction of filling the total slip of profile, and shared volume fraction is stored in the chained list;
(3) filling profile in the synusia is to put end to end formation by a series of two-dimensional coordinates; Circulate successively with nozzle diameter in conjunction with being shaped and to try to achieve every volume of filling profile; Account for every volume fraction and every volume of filling profile of filling the total slip of profile according to various different materials component slips, calculate and try to achieve various different materials component slips shared actual volume in filling profile in every filling profile;
(4) when gas precompression, slip viscosity and flow diameter one timing; Try to achieve the flow value of various different materials component slips; Flow value and their shared volumes in filling profile according to various material component slips convert bulking value into time value; And this value is stored in the chained list, the proportioning in proportion of the control time control slip that this time value is opened as the control magnetic valve realizes the interpolation of material information;
Is (5) after accomplishing the interpolation of ground floor sheet material information, the program inquiry last one deck? If " deny ", then return step (2) and to layer variable assignments N=N+1; If " be ", then finish the work.
The utility model is not addressed part and is applicable to prior art.
Technical scheme according to the utility model provides specific embodiment below.The utility model claim does not receive the restriction of embodiment:
Adopt the long 50mm of the described manufacturing equipment manufacturing of the utility model, the SOFC of diameter 3mm.Material information is set adds that the material addition manner is a linear mode in the control software, nozzle diameter 100 μ m.Its process is following:
At first use three-dimensional CAD software to design SOFC three-dimensional entity model (referring to Fig. 1); According to the product design technological requirement, it is carried out slicing delamination by the design bed thickness then, the number of plies is 500; The slice thickness of each layer is 100 μ m; Computer reads two-dimentional synusia information continuously, and control software is realized flowing into premixed storage cavity 217 after various different materials component slips are prepared burden in proportion through the switching time of controlling 2/2-way magnetic valves 210 in the forming head 2 according to the material information addition manner; In premixed storage cavity 217 under the effect of gas precompression; Slip mixes the back through static mixer and flows into material storage cavity 214 eventually, the required slip that obtains being shaped, the two-dimentional synusia article one profile information that reads according to computer then; Accomplish the extrusion molding of article one filling profile in the two-dimentional synusia through the switching of each builder coordinated movement of various economic factors of control of control system and forming head 2 nozzles 26; Then computer reads the interior second filling of two-dimensional layer sheet profile, and control software is filled profile in proportion batch mixes material requested component slip through control system control forming head 2 for second according to material information addition manner, controls the extrusion molding of the switching completion second profile of each builder coordinated movement of various economic factors and forming head nozzle through the control system; Article one, fills profile and second and fill the profile bonding; So repeatedly, a rule profile extrusion is shaped and accomplishes the shaping manufacturing of SOFC one deck, then; The computer handle information of one deck down passes to the control system; Accomplish the shaping manufacturing of the SOFC second layer, repeat above-mentioned synusia forming process and finish, promptly produce SOFC fast until all synusia shapings.
The dielectric substrate of the SOFC that this equipment of using makes has very significantly material gradient Changing Pattern; Strengthened the associativity of anode layer and dielectric substrate, reduced pull-up that SOFC causes because of anode layer and the cathode layer associativity difference phenomenon that falls when sintering.
Embodiment 2
Basic identical with embodiment 1.Different is; Material information is set adds that the material addition manner is a nonlinear way in the control software; Its dielectric substrate material gradient of the SOFC that makes changes uniformity coefficient and has improved 25%, but has improved the practicality of this SOFC greatly.
Embodiment 3
Basic identical with embodiment 1.Different is; Material information is set adds that the material addition manner is linear and the non-linear mode that combines in the control software; Its dielectric substrate material gradient of the SOFC that makes changes uniformity coefficient and has improved 40%; But not only improved the practicality of this SOFC greatly, and further reduced pull-up that SOFC causes because of anode layer and the cathode layer associativity difference phenomenon that falls when sintering.
Embodiment 4
Adopt the human hip model of the long 100mm of the described manufacturing equipment manufacturing of the utility model, material information is set adds and control that the material addition manner is a linear mode in the software, nozzle diameter 1mm.Its process is following:
At first use three-dimensional CAD software to design hip joint three-dimensional entity model (referring to Fig. 1),, it is carried out slicing delamination by the design bed thickness then according to the product design technological requirement; The number of plies is 100, and the slice thickness of each layer is 1mm, and computer reads two-dimentional synusia information continuously; Control software is according to material information addition manner; Realize flowing into premixed storage cavity 217 after various different materials component slips are prepared burden in proportion through the switching time of controlling 2/2-way magnetic valves 210 in the forming head 2, in premixed storage cavity 217, under the effect of gas precompression, flow into whole material storage cavity 214 after slip mixes through static mixer; Required slip obtains being shaped; The two-dimentional synusia article one profile information that reads according to computer is then accomplished the extrusion molding that article one in the two-dimentional synusia is filled profile through the switching of each builder coordinated movement of various economic factors of control system control and forming head 2 nozzles 26, and then computer reads in the two-dimensional layer sheet second and fills profile; Control software is filled profile in proportion batch mixes material requested component slip through control system control forming head 2 for second according to material information addition manner; Accomplish the extrusion molding of second profile through the switching of each builder coordinated movement of various economic factors of control system control and forming head nozzle, article one is filled profile and is filled profile with second and bond, so repeatedly; One rule profile extrusion is shaped and accomplishes the shaping manufacturing of hip joint one deck; Then, the computer handle information of one deck down passes to the control system, accomplishes the shaping manufacturing of the SOFC second layer; Repeat above-mentioned synusia forming process and finish, can produce the hip joint model fast until all synusia shapings.
The hip joint model internal material graded that makes with this equipment is very even, and has very high hardness and toughness, and ten minutes is near the performance of real human body hip joint.
Embodiment 5
Basic identical with embodiment 3.Different is; Material information is set adds that the material addition manner is a nonlinear way in the control software; Its internal material of hip joint model that makes changes by non-linear rule in gradient; Improving 20% and 19% aspect hardness and the toughness respectively than adding material information, improving the performance of hip joint model by linear mode.
Basic identical with embodiment 3.Different is; Material information is set adds that the material addition manner is linear and the non-linear mode that combines in the control software; Its inside of hip joint model that makes has the graded rule that more approaches real human body hip joint material, is improving 35% and 28% aspect hardness and the toughness respectively than only adding material information by linear mode or nonlinear way.Has more performance near real human body hip joint model.
Claims (4)
1. the manufacturing equipment of a heterogeneous body entity is characterized in that this manufacturing equipment comprises three-dimensional motion control platform, multi-component material extrusion forming head, air feed and Pneumatic controller and control system; Described three-dimensional motion control platform comprise base plate, gantry support, shaping platform, X to transmission mechanism, X to the slide block of precision linear module, Y to transmission mechanism, Y to the slide block of precision linear module, Z to transmission mechanism and Z slide block to the precision linear module; Said gantry support vertically is installed on the base plate; The shaping platform is installed in Y on the slide block of precision linear module; X is fixed on the gantry support to transmission mechanism, and Z is fixed on X on the slide block of precision linear module to transmission mechanism, and Y directly is fixed on the base plate to transmission mechanism;
Said multi-component material extrusion forming head comprises material chamber lid, feed chamber, premixed storage cavity, motionless mixer, 2/2-way magnetic valve, whole material storage cavity, the connecting duct that is used to connect each element, the last gas conduit of carrying pressure-sustaining gas, following gas conduit and nozzle; Said static mixer comprises static mixing chamber and the inner solid granule of loading thereof; Said multi-component material extrusion forming head is installed in Z on the slide block of precision linear module;
Said air feed and Pneumatic controller mainly comprise air pump, pressure-reducing valve and two-bit triplet magnetic valve;
Described control system comprises control device and computer; Control device is connected with computer through the general extension groove.
2. according to the manufacturing equipment of the said heterogeneous body entity of claim 1; It is characterized in that said multi-component material extrusion forming head is that the poly (methyl methacrylate) plate of thickness, length and width with design is a matrix; Use the body laser inner carving lithography with carving in said lucite board substrate in feed chamber, material chamber lid, piston, premixed storage cavity, the static upper and lower gas conduit that mixes chamber, whole material storage cavity, is used to connect the connecting duct of each element and carry pressure-sustaining gas, be processed into multi-component material extrusion shaping one head; Said feed chamber, premixed storage cavity, static mixed chamber and all continuous between the material storage cavity eventually through the interior connecting duct of carving on poly (methyl methacrylate) plate; Said 2/2-way magnetic valve is and is embedded in the said poly (methyl methacrylate) plate; Said feed chamber partly exposes to poly (methyl methacrylate) plate, and feed chamber exposes to its top of lucite body portion and each side has a fixture; Lid center, said material chamber has one and connects the interface that gas conduit is used; It each side has a fixture that cooperatively interacts and use with above-mentioned feed chamber top fixture; Said premixed storage cavity all has the gas conduit that feeds pressure-sustaining gas with the top of expecting storage cavity eventually, through gas conduit slip in premixed storage cavity, static mixer and whole material storage cavity the gas precompression is provided.
3. according to the manufacturing equipment of claim 1 or 2 said heterogeneous body entities, it is characterized in that said solid granule is metal or nonmetal oxide, comprise silica, aluminium oxide or cupric oxide, the solid granule diameter is 0.5～2mm; Said static mixing is filled described solid granule in the chamber.
4. according to the manufacturing equipment of claim 1 or 2 said heterogeneous body entities, it is characterized in that said material chamber lid and piston constitute by elastomeric material; The bottom of material chamber lid is threaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203416650U CN202241540U (en) | 2011-09-13 | 2011-09-13 | Heterogeneous solid manufacturing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203416650U CN202241540U (en) | 2011-09-13 | 2011-09-13 | Heterogeneous solid manufacturing equipment |
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| CN202241540U true CN202241540U (en) | 2012-05-30 |
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| CN2011203416650U Expired - Fee Related CN202241540U (en) | 2011-09-13 | 2011-09-13 | Heterogeneous solid manufacturing equipment |
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| CN (1) | CN202241540U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173759A (en) * | 2013-03-13 | 2013-06-26 | 华中科技大学 | Powder conveying and paving mechanism linked with power bed |
| CN103350498A (en) * | 2013-07-16 | 2013-10-16 | 河北工业大学 | Method and equipment for manufacturing heterogeneous solid model |
| CN104001917A (en) * | 2014-05-26 | 2014-08-27 | 华南理工大学 | Powder spreading processing based functionally graded material preparation device and method |
-
2011
- 2011-09-13 CN CN2011203416650U patent/CN202241540U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103173759A (en) * | 2013-03-13 | 2013-06-26 | 华中科技大学 | Powder conveying and paving mechanism linked with power bed |
| CN103173759B (en) * | 2013-03-13 | 2015-05-20 | 华中科技大学 | Powder conveying and paving mechanism linked with power bed |
| CN103350498A (en) * | 2013-07-16 | 2013-10-16 | 河北工业大学 | Method and equipment for manufacturing heterogeneous solid model |
| CN103350498B (en) * | 2013-07-16 | 2015-06-03 | 河北工业大学 | Method and equipment for manufacturing heterogeneous solid model |
| CN104001917A (en) * | 2014-05-26 | 2014-08-27 | 华南理工大学 | Powder spreading processing based functionally graded material preparation device and method |
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